Strengths: The Features - Timer, Distasnce, AVG Pace, Speed, and the Mapping features. They all work well (except for Max Speed - see Weaknesses). It was cheap £60 incl. P&P form Amazon. Quite Light, I don't notice it when I run. Simple to use. Quick at picking up signals (1/2 minute). Cery good battery life, I bought it recently and have ran around 4hours total with it and is on half battery.
Weaknesses: Max Speed is messed up a little...sometimes when I run I get speeds of up to 40mph...but Pace and AVG Pace works well.
Overall: I think this is really good for its price. It was £60 and has changed my running from www.mapmyrun.com to improvising runs.